| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 3 |
| Horn not working (7.7 (a)) | 2 |
| Front Wheel bearing rough when rotated (5.1.3 (b) (i)) | 2 |
| Rear Wheel spindle locking device missing (5.2.1 (d)) | 2 |
| Rear Wheel bearing has excessive play (5.1.3 (a) (i)) | 2 |
| Steering movement excessively stiff with the weight on the lower bearing |2.2.1a| | 1 |
| Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Registration plate issues | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Front Wheel bearing rough when rotated |5.1.3 |b| |i|| | 1 |
| Nearside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Offside Front Shock absorber has a serious fluid leak |5.3.2 |b|| | 1 |
| Indicator switch inoperative |4.4.2 |a| |ii|| | 1 |
| Rear Shock absorber has negligible damping effect |5.3.2 |b|| | 1 |
| Exhaust is leaking and excessively noisey |7.1.1b| | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Drive chain excessively tight (6.1.7 (k) (i)) | 1 |
| Offside Handlebar grip insecure to handlebar (2.2.1 (d) (ii)) | 1 |
| Front Brake fluid reservoir fluid not visible (1.1.10 (d) (iii)) | 1 |
| Front Wheel bearing play so excessive it is likely to break up (5.1.3 (a) (ii)) | 1 |
| Rear reflector on motorcycle missing |1.4.1| | 1 |
| Throttle operating incorrectly (6.2.7 (a) (i)) | 1 |
| Rear Brake excessively binding (1.2.1 (f)) | 1 |
| Centre Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% (1.2.2 (a) (i)) | 1 |
| Front Wheel bearing has excessive play (5.1.3 (a) (i)) | 1 |
| Centre Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 1 |
| Rear Drive chain so loose it is likely to fail (6.1.7 (c) (ii)) | 1 |
| Front Horn sound not in accordance with requirements (7.7 (c)) | 1 |
| Rear Drive chain excessively loose |6.2.1d| | 1 |
| Front Wheel spoke excessively loose (5.2.2 (d)) | 1 |